Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"peo dan cach snippets" » "peo dan cac snippets", "peo dan canh snippets", "peo nhan cach snippets", "keo dan cach snippets", "peo san cach snippets", "peng dan cach snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("peo dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("peo dan cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( peo dan cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("peo dan cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.